231434105 has 16 divisors (see below), whose sum is σ = 323875200. Its totient is φ = 158696496.

The previous prime is 231434089. The next prime is 231434113. The reversal of 231434105 is 501434132.

It is not a de Polignac number, because 231434105 - 2⁴ = 231434089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65759 + ... + 69188.

It is an arithmetic number, because the mean of its divisors is an integer number (20242200).

Almost surely, 2^231434105 is an apocalyptic number.

It is an amenable number.

231434105 is a deficient number, since it is larger than the sum of its proper divisors (92441095).

231434105 is an equidigital number, since it uses as much as digits as its factorization.

231434105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134973 (or 134959 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 231434105 is about 15212.9584565265. The cubic root of 231434105 is about 613.9633581673.

Adding to 231434105 its reverse (501434132), we get a palindrome (732868237).

The spelling of 231434105 in words is "two hundred thirty-one million, four hundred thirty-four thousand, one hundred five".